Finding the Fourth Proportional to 2,099,523,238.40, 3,149,284,857.60 and 718,878,886.40
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Solution
The fourth proportional to 2,099,523,238.40, 3,149,284,857.60 and 718,878,886.40 is: 1,078,318,329.60
Step by Step Solution
- Step 1: Write the proportion equation
2,099,523,238.40 : 3,149,284,857.60 = 718,878,886.40 : x - Step 2: Convert to fraction form
2,099,523,238.40/3,149,284,857.60 = 718,878,886.40/x - Step 3: Cross multiply
2,099,523,238.40x = 3,149,284,857.60 × 718,878,886.40 - Step 4: Simplify right side
2,099,523,238.40x = 2,263,954,391,387,870,464 - Step 5: Solve for x
x = 2,263,954,391,387,870,464/2,099,523,238.40 - Step 6: Final answer
x = 1,078,318,329.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.